# NTSB investigations: Piper PA-18-135: In flight collision with terrain/water

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB SEA06CA061](https://openairdocs.org/ntsb/SEA06CA061.md): Piper PA-18 · Saint Paul, OR · Accident · No injuries · Data collection · Final report · Mar 5, 2006 · N1991A · Substantial damage
  > The pilot's failure to maintain a proper glide path on final approach to landing resulting in a nose over. A factor was the loose gravel/sandy condition.
- [NTSB ATL02LA047](https://openairdocs.org/ntsb/ATL02LA047.md): Piper PA -18 · Winter Haven, FL · Accident · No injuries · Limited investigation · Final report · Feb 12, 2002 · N8553C · Substantial damage
  > The pilot's improper flare during an attempted landing on water. A factor was glassy water.
- [NTSB SEA97LA036](https://openairdocs.org/ntsb/SEA97LA036.md): Piper PA18-135 · Cohagen, MT · Accident · 2 fatal · Limited investigation · Final report · Dec 5, 1996 · N62100 · Substantial damage
  > The pilot's failure to maintain airspeed. Factors were the intentional flight at a low altitude and the over gross condition of the airplane.
- [NTSB ANC95LA093](https://openairdocs.org/ntsb/ANC95LA093.md): Piper PA-18-150 · Tyonek, AK · Accident · No injuries · Limited investigation · Final report · Jun 28, 1995 · N5238N · Substantial damage
  > The pilot's failure to maintain clearance from tall vegetation during a low pass.
- [NTSB CHI95FA002](https://openairdocs.org/ntsb/CHI95FA002.md): Piper PA-18-135 · Martinsville, IN · Accident · 2 fatal · Field investigation · Final report · Oct 2, 1994 · N99305 · Destroyed
  > The pilot's impairment of judgment and performance due to alcohol, improper planning/decision, and failure to maintain sufficient altitude/clearance above the ground.
- [NTSB ANC94LA004](https://openairdocs.org/ntsb/ANC94LA004.md): Piper PA-18 · Bear Creek, AK · Accident · Minor injuries · Limited investigation · Final report · Oct 4, 1993 · N2765A · Substantial damage
  > The pilot's delayed go-around procedure. A factor in the accident was the improper use of carburetor heat during the go-around.
- [NTSB LAX91LA321](https://openairdocs.org/ntsb/LAX91LA321.md): Piper PA 18-135 · Gerlach, NV · Accident · No injuries · Limited investigation · Final report · Jul 21, 1991 · N9977Q · Substantial damage
  > The failure of the pilot to maintain adequate terrain clearance by the selection of an inappropriate cruise altitude resulting in an in flight collision with terrain.
- [NTSB SEA87LA187](https://openairdocs.org/ntsb/SEA87LA187.md): Piper PA-18 · John Day, OR · Accident · Serious injuries · Limited investigation · Final report · Sep 14, 1987 · N1394V · Destroyed
  > Plt departed hay field in hi density alt conds. The pilot was unable to clear trees and stalled/mushed into terrain, collapsing gear and colliding with trees.
- [NTSB ANC84FA074](https://openairdocs.org/ntsb/ANC84FA074.md): Piper PA-18 · Sleetmute, AK · Accident · 2 fatal · Field investigation · Final report · May 22, 1984 · N1378C · Substantial damage
  > According to witnesses, the plt made 3 low passes at some boats in Sleetmute slough. They estimated the passes were at 5 to 10 ft above the water, then the plt would pull up in a steep climb attitude, execute a 180 deg turn and make another pass. After the…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7101820')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 230))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7101820&occurrence=230

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
